Applications of Arkema Rilsamid® AESNO MED Nylon 12 in Industrial Manufacturing

As an advanced-grade polyamide engineered for medical and industrial use, Arkema Rilsamid® AESNO MED Nylon 12 demonstrates unique chemical, mechanical, and biocompatible properties. Here we highlight authentic, high-value downstream applications based on verified industrial practice, with a focus on four primary markets that utilize this material for its performance under demanding conditions.

1. Medical Catheter Tubing and Components

Our customers in the medical device manufacturing sector depend on this specialty Nylon 12 for precision tubing and microinjection-molded components in the high-volume production of catheters and related devices. Its chemical inertness, flexibility, and biocompatibility support requirements for prolonged patient contact and resistance to sterilization cycles. Selection of this material by international catheter OEMs reflects strict supplier qualifications and repeated production audits.

Industry compliance standards

• ISO 10993-1: Medical device biocompatibility
• USP Class VI (United States Pharmacopeia)
• ISO 13485: Medical device quality management
• EU 2017/745 MDR Medical Devices Regulation

Typical usage ratio

• 100% in extrusion for monolayer catheter tubing
• 80–95% in blends for multilayer lumens with tailored mechanical properties, adjusted according to targeted flexibility or radiopacity (e.g., with 5–20% BaSO₄ filler)

Downstream process integration

• Direct feedstock for medical tubing extrusion lines (single or co-extrusion)
• Injection molding for connectors and hub components
• Secondary sterilization processes: ethylene oxide (EtO), gamma irradiation, steam autoclaving, each validated by end-user protocols

Final product types

• Intravenous (IV) catheters
• Central venous catheters (CVC)
• Urological and angiographic tubing
• Catheter hubs, Y-sites, luer connectors

2. Pharmaceutical Fluid Handling Systems

Producers of pharmaceutical transfer systems use this Nylon 12 to ensure chemical purity and mechanical stability in fluidic assemblies such as peristaltic pump tubing, connectors, and sampling lines. Batch-to-batch reproducibility supports critical GMP operations by minimizing extractables and leachables in direct contact with APIs and pharmaceutical media. Clients select this resin for components subjected to rigorous cleaning validation and high-pressure operation.

Industry compliance standards

• USP <88> Biological Reactivity Tests, In Vivo
• FDA 21 CFR 177.1500 for indirect food contact
• ISO 15378: Primary packaging for pharmaceuticals – GMP requirements
• Ph. Eur. 3.1.12: Polyamide tubing for pharmaceuticals

Typical usage ratio

• 95–100% in extrusion for process tubing and transfer lines
• If antistatic or color additives are required: 92–98%, with additive levels determined by analytical migration limits

Downstream process integration

• Extrusion into tubing and transfer lines
• Thermoforming for custom-molded adaptors
• Final assembly integration in cleanroom production (ISO 14644 class 7 and above)

Final product types

• Single-use bioprocess tubing sets
• Sampling lines for vaccine manufacture
• Sterile fluid transfer assemblies
• Process connectors for parenteral drugs

3. Diagnostic Device Housings and Labware

Specialty diagnostic equipment manufacturers utilize this medical-grade Nylon 12 to injection-mold housings, precision inserts, and microfluidic chip frames. Its chemical resistance to diagnostic reagents and compatibility with repeated autoclaving allow design flexibility and high functional durability. This raw material's traceability and lot control meet strict requirements for devices and consumables distributed internationally for human diagnostics.

Industry compliance standards

• ISO 13485:2016 (Quality management for medical devices)
• ISO 9001:2015 (General quality)
• RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
• REACH Regulation EC No 1907/2006

Typical usage ratio

• 60–100%, depending on mechanical load and desired wall thickness; higher filler content if increased rigidity or flame retardants are mandated

Downstream process integration

• Direct pellet feedstock for multi-cavity injection molding lines
• Secondary microbiological decontamination after molding
• Ultrasonic welding with other polymer or alloy inserts

Final product types

• Point-of-care diagnostic device shells
• Microfluidic chip housings
• Automated analyzer sample racks
• Centrifuge tube racks and instrument holders

4. Food Contact Conveying and Dosing Equipment

Manufacturers of automated food processing lines select this certified Nylon 12 for extruded and molded parts requiring repeated food contact, such as dosing pumps, flexible conveying tubes, and quick-connectors in dairy and beverage plants. Its compliance with food safety regulations enables continuous use in environments with fluctuating temperatures and aggressive cleaning cycles.

Industry compliance standards

• FDA 21 CFR 177.1500 (Nylon resins for food contact)
• EU Reg. (EU) No 10/2011 (Plastic food contact materials)
• BfR Recommendation XXI (Germany, Polyamides for food)
• LFGB §31/§35 (German Food, Commodities and Feed Code)

Typical usage ratio

• 85–100% in direct food contact parts
• Adjusted by cleaning demand: higher loading for parts subject to high-frequency CIP (clean-in-place) protocols

Downstream process integration

• Extrusion for flexible beverage and ingredient hoses
• Injection molding for pump housings and valve inserts
• Assembly into closed food handling systems, subjected to HACCP validation

Final product types

• Food filling nozzles
• Automated ingredient dosing tubes
• Sanitary quick-connects for dairy and beverage lines
• Flexible conveying belts and hoses

5. Precision Drug Delivery Device Components

Proven among leading drug delivery solution producers, this specialty polyamide is used for critical internal parts such as metered dose inhaler (MDI) valves, auto-injector guide sleeves, and actuator housings. Processing reproducibility, dimensional control, and resistance to hydrolytic or solvent stress are central to customer material approval. Process QC includes trace monitoring for extractables and validation of injection mold release residues.

Industry compliance standards

• ISO 11608-1:2014 (Needle-based injection systems)
• USP <661> (Plastic packaging materials)
• ISO 15378 (GMP for pharmaceutical packaging)
• 21 CFR 820 (FDA Quality System Regulation: Medical devices)

Typical usage ratio

• 90–98% as base polymer for drug device components, tailored with up to 10% lubricant or color masterbatch for device assembly lines

Downstream process integration

• Precision injection molding for small, high-tolerance parts
• In-line quality control for dimensional verification and particulate checks
• Batch traceability system (DIN EN ISO 9001 and ISO 13485)

Final product types

• Metered dose inhaler nozzles
• Auto-injector cartridge sleeves
• Insulin pen actuator components
• Nasal spray pump heads

6. Wear-Resistant Pneumatic Line Components

In high-precision industrial automation, this grade of Nylon 12 serves as the feedstock for abrasion-resistant pneumatic tubing, fittings, and manifold blocks. It delivers proven dimensional stability, long service life, and low moisture uptake in systems exposed to lubricants, high-pressure air, and aggressive industrial cleaning agents. Our OEM partners integrate this material into pneumatic lines for electronics, automotive assembly, and pharmaceutical packaging plants.

Industry compliance standards

• ISO 4414: Pneumatic fluid power – Safety requirements
• DIN 73378 (Plastic tubing for pneumatics and hydraulics)
• REACH Regulation EC No 1907/2006
• RoHS Directive 2011/65/EU

Typical usage ratio

• 98–100% unblended in tubing extrusion for maximum fatigue resistance
• 93–98% in custom-color extrusions or flame-retardant tubes

Downstream process integration

• Continuous extrusion for metric and inch pneumatic tubes
• Injection molding for push-to-connect fittings
• Integration in pre-assembled pneumatic control circuits on production lines

Final product types

• Flexible pneumatic and hydraulic lines
• Pneumatic fitting inserts
• Valve manifolds
• Compressed air brake system tubing for specialty vehicles